With the in-depth development of the new socialist countryside and the construction of a beautiful countryside, solar street lights as lighting equipment has been everywhere. Solar street lights are not only energy-saving and environmentally friendly but also do not produce electricity, so they are welcomed by the general public. In the past, many solar street lights use lead-acid batteries, but now, basically all use lithium batteries.
Why is lithium battery so popular? Compared to lead-acid batteries, what are the advantages of lithium batteries?
1. lithium batteries are small, light and easy to transport. The same power solar energy storage system used for street lights and lead-acid colloidal batteries compared, about one-third of the weight, about one-third of the volume. In this way, transportation is easier, and transportation costs are naturally reduced.
2. Li-ion battery has high energy density and longer service life. Energy density refers to the size of the energy stored in a certain unit of space or mass. The greater the energy density of the battery, the more power stored per unit weight or volume. There are many factors that affect the service life of lithium batteries, and energy density is one of the very important internal factors.
3. Solar street lights using lithium batteries are easy to install. Traditional solar street light installation requires a battery pit to be set aside and sealed with a buried box to put the battery in. The installation of lithium solar street light is much more convenient, you can directly install the lithium battery on the bracket, using the hanging type or built-in type.
4. Lithium solar street lights are easy to maintain. Lithium solar street light in the maintenance only need to take out the battery from the pole or under the panel, while the traditional solar street light in the maintenance of the need to dig out the buried battery, and lithium solar street light compared to the trouble much.
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